Thick-core solid wood composite floor and preparation method thereof
A solid wood composite floor, solid wood core technology, applied in the direction of wood layered products, wood veneer bonding, chemical instruments and methods, etc. The problem is to improve the mechanical properties and water resistance, suitable for large-scale industrial production, and the preparation method is simple.
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[0031] The present invention also provides a preparation method of thick-core solid wood composite flooring, comprising the following steps:
[0032] S1, provide rotary solid wood with a thickness of 7.5-11mm as the solid wood core board, and coat soybean formaldehyde-free glue on both sides of the solid wood core board;
[0033] S2, pasting the first veneer and the second veneer on both sides of the solid wood core board, forming embryos according to the vertical direction of the wood grain texture, and performing cold pressing and hot pressing in sequence after the embryo formation to obtain a thick core substrate;
[0034] S3, coating soybean formaldehyde-free glue on both sides of the thick core substrate;
[0035]S4, paste the bottom plate on one side of the first veneer of the thick core substrate, paste the panel on the side of the second veneer of the thick core substrate, perform cold pressing and hot pressing in sequence after the embryo formation, and obtain a solid...
Embodiment 1
[0043] Thick core parquet is prepared using the following steps:
[0044] (1) Provide rotary-cut pine wood with a thickness of 7.5mm as the solid wood core board. The moisture content of the solid wood core board is controlled at about 12%. Glue on both sides with soybean formaldehyde-free glue on the rubber roller. The amount of glue applied on each side Controlled at (310±5)g / m 2 ;
[0045] (2) Paste eucalyptus veneers with a thickness of 3.6mm on both sides of the glue-coated solid wood core board. The moisture content of the eucalyptus veneer is controlled at about 10%, and the embryos are formed according to the vertical direction of the wood grain, and the embryos are completed. Within 60 minutes, put it into a cold press for cold pressing, the cold pressing time is 50 minutes, and the cold pressing pressure is 7kg / cm 2 , and then repair the cold-pressed slab above, within 6 hours after the repair is completed, put it into a hot press for hot pressing, the hot pressing...
Embodiment 2
[0049] Thick core parquet is prepared using the following steps:
[0050] (1) Provide rotary-cut pine wood with a thickness of 7.5mm as the solid wood core board. The moisture content of the solid wood core board is controlled at about 12%. Glue on both sides with soybean formaldehyde-free glue on the rubber roller. The amount of glue applied on each side Controlled at (230±5)g / m 2 ;
[0051] (2) Paste eucalyptus veneers with a thickness of 3.6mm on both sides of the glue-coated solid wood core board. The moisture content of the eucalyptus veneer is controlled at about 10%, and the embryos are formed according to the vertical direction of the wood grain, and the embryos are completed. Within 60 minutes, put it into a cold press for cold pressing, the cold pressing time is 50 minutes, and the cold pressing pressure is 7kg / cm 2 , and then repair the cold-pressed slab above, within 6 hours after the repair is completed, put it into a hot press for hot pressing, the hot pressing...
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Abstract
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